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不等式2^x²-5x+5>1/2的解集是请把这个涉及到的知识点说说,如果可以把过程写下来, 求X²-5x+60 这2个不等式的解集 5x²+4-3x²-5x-2x²-5+6x,其中,x=-3 2分之3x+6=33解方程 英语定语从句题~1.The picture reminds him of those days_____he spent with his friends in his childhood.A.when B.which C.on which D.as2.He always remember those days_____he was taken good care of by the villagers.A.when B.which C.on which D.wher It is in great need of nurses with the experience of guiding (指导) different activities It is in great need of nurses _____________ of guiding (指导) different activities 英语定语从句的几道题1.To get the job started -----I need is your permission.A only what B all what C all that D only that答案是C,这是个什么从句,我选的B2.My father bought me several books,but----- was interestingA most of them B 【【英语定语从句】】英语定语从句几道题1.Alomst every student hopes the days will be gone forever _______they have to come to school at 7 am.A,when b,that c,while d,which2.he is our headmaster ,from _____room he can see the whole sc 关于英语定语从句的一道题 f（x）＝1/x+1,求f(1/x)的定义域f（x）＝1/(x+1),求f(1/x)的定义域 过程～ 高一数学函数 1.设f(x)s是R上的奇函数,且满足f(x+2)=-f(x),当0≤x≤1时,f(x)=x,则f(3.5)=?2.若f(1/x)=1/(x+1),则f(x)=? 2012∧2-2013×2011 几道英语定语从句的问题1.The reason____she gave up teaching was her serious illnessA.for that B.for which C.which D.why2.The reason____he was dismissed is not difficult to explainA.that B.for which C.which D.for that3.The day___she played w x2+y2=1,求x+y的最小值 已知动圆x^2+y^2-2mx-4my+6m-2=0恒过两个定点,这两个定点的坐标是? 4分之3x+8分之1等于2分之1（解方程, 已知不等式(x-2)/2 英语题目定语从句I have read the book Walden,and (its) writer is an American thinker.如果我要用whose,那是不是要把and去掉?逗号需要去掉吗?逗号不去掉是不是就是非限制性定语从句?可以用whose把这句分别改 平面内三点A、B、C在一条直线上,向量OA=（-2,m）,向量OB=（n,1）,向量OC=（5,-1）,且向量OA垂直于向量OB,求实数m、n的值. 用分解因式法解下列方程 [1]x(x+1)-5x-5=0 [2](2x+3)^2-(x-1)^2=0 [3](x+根号3)^2=4根号3x 解不等式或不等式组,将解集在数轴上表示出来:1-2x/4 麻烦高手解不等式组,并把解集表示在数轴上,①2x-3＜1 ②2分之x-1 +2≥x f(x)=3x+2/3 那么 f(x*2+1)=?f（x-3）=? 已知关于x的方程kx＝12x+k的解与方程½{5-x}＝2x+15的解相同,那么k的值是{ x/15+x+5/15=1 这是方程,请根据方程提一个问题 已知关于x的方程mx=x-2的解是x=3,求m的值? 已知2是关于x的方程mx=x/2+m+3的解,求m的值 方程根号（2x+3)=x的根是___________ 已知X=-2是关于x的方程(x+m)-(mx-3)=3x的解,求m值 解关于x的方程,x^2+mx+2=mx^2+3x(其中m≠1)2小时之内追加 若方程x^2-2x+根号3/2=0的两个根α,β,它也是方程x^4+px^2+q的两个根,求p的值